20177091669

素因数分解:

$3^1\times 7^2\times {\mathrm{947}}^1\times {\mathrm{144941}}^1$

素因数の和:145905

約数の個数: 24

約数和(自身を含む): 31328343648

約数和(自身を除く): 11151251979

約数列:

[1, 3, 7, 21, 49, 147, 947, 2841, 6629, 19887, 46403, 139209, 144941, 434823, 1014587, 3043761, 7102109, 21306327, 137259127, 411777381, 960813889, 2882441667, 6725697223, 20177091669]

約数ペア:

[(1, 20177091669), (3, 6725697223), (7, 2882441667), (21, 960813889), (49, 411777381), (147, 137259127), (947, 21306327), (2841, 7102109), (6629, 3043761), (19887, 1014587), (46403, 434823), (139209, 144941)]